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THREAD DEBURRING

YOUR FINISHING PROCESS JUST GOT EASIER

Overview

In the metalworking industry, deburring threads in cylinders is a vital step in achieving functional and high-quality surface finishes. During machining processes such as tapping, drilling, or thread milling, burrs can form along the thread crests, roots, and entry points.

If thread burrs are left unremoved, this can interfere with thread engagement, compromise sealing surfaces, and lead to cross-threading, galling, or premature wear, especially in applications requiring fluid-tight seals or precise mechanical assembly. Thread deburring ensures clean, smooth threads that are critical for proper assembly, long-term component reliability, and resistance to corrosion. This is particularly important in industries such as aerospace, automotive, hydraulics, and precision manufacturing, where internal threads in cylinders must meet tight tolerances and perform under high stress or pressure. BRM is proud to offer American-Made FLEX-HONE® tools and abrasive nylon spiral tube brushes to address thread deburring applications.

can be used virtually any rotating spindle

Hand Drill
Drill Press
Robotic Cell
Machining Center

Tackling Coarser Thread Deburring With FLEX-HONE® Technology

FLEX-HONE® tools are ideal for coarser internal thread deburring, blind holes, and intersecting passages, using it’s self-aligning abrasive action that removes burrs without damaging thread geometry. Additionally, abrasive nylon spiral brushes are specifically designed for cleaning and deburring threads and feature flexible, grit-impregnated filaments that reach deep into thread roots and crests for thorough, non-destructive cleaning.

Common Thread Deburring Applications include:


Hydraulic and Pneumatic Cylinders: 

  • Provides leak-proof connections and proper seal integrity in ports and threaded ends.  
  • Safeguards O-rings and fittings during installation.

Automotive Engine and Transmission Components: 

  • Eliminates burrs in the threaded holes of engine blocks, heads, and valve bodies–enabling the correct level of torque and thread coverage.

Aerospace Manifolds and Structural Components: 

  • For FOD (foreign object damage) prevention and component integrity under high-stress applications.

Industrial Valves, Pumps, and Pipe Fittings: 

  • Prevents damage to threads that could affect sealing surfaces or disrupt fluid flow. 

Medical and Instrumentation Cylinders: 

  • Prevents shavings of threads from getting inside the pipe or fixture to prevent contamination of the system and create burr-free threads for trouble-free installation.

resources

Learn how BRM tools are being used to improve processes, cut costs and save time!

FLEX-HONE®-THREAD DEBURRING 

Learn how the FLEX-HONE deburrs coarse threads in 6 seconds! 

download pdf
download pdf

NAMPOWER-CERAMIC THREAD DEBURRING 

Learn how these ceramic abrasive filament brushes maximize value per part by deburrs threads in 5 seconds! 

download pdf
download pdf

FLEX-HONE® Resource Guide 

The FLEX-HONE® Resource Guide teaches you how to select the right tool for your application. Have you ever had questions about tool diameter, grit selection, abrasive type or recommended RPMs? We go over all of this and more.  

download pdf
download pdf

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For more than 65 years, BRM has been creating solutions to some of the toughest surface finishing challenges. We look forward to working with you

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